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所属栏目：百科探秘
所属频道：CCTV-10科教
年份：2010
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简介：本期节目讲述了在河南登封一个叫告成的小镇，一座神庙里竟然保存着一座700多年前古代国家天文台遗址。郭守敬通过这个古老的建筑，精确地算出太阳回归年的长度为365.2425天。据此制订了准确的、也是在中国使用时间最长的历法：授时历。在没有现代天文学知识的年代，这是极为先进的，也是当时全世界最精确的天文历法。收起
神秘观天台 （上）
神秘观天台（下）
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